Bela w



' a position" for-making the heels. and soles of ',"tion mt1q To cllwkom itma concern:

,,citi zen of the United States, resident of; substantiallytwenty -percent,t i-Elyria,-count of Lorain, and Stateof Ohio; fur) one-helix (1.); 1 pound Jime; one {1) tion, and particularly'to a composition for, cent ruhbe use m manu'facturing shoe structures.

" stantially equalportions OfcoarxserubhebcuredFBtOo cotton' an in substantially greater amount; than any "(a QOmPOIlXIdQOf antimon I and sulfur, the andxonesmooth' L n; acre, or ionic, mixon no its.

i 7 5 "rnns'rxc coxrosrrrox.

.s e cca lmo fi k fi Patentedbct.14,1919; 1 .4311mmnease e beelb lgia, nutritious. l

- '11 anii three-quarters Be it known t at 'I, Bxm W. Home, a .(2i)'pounds'a1itim0ny;2Q,B. S. {contammg Billhave invente newand useful Improvements pound gzinc-oxidf-iandone. in Plastic Compositions, of which the fol-j sulzlfur. B i, V v lowing is a-"specification, the principle oi ofe'qua parts of longfifibered'cotton and the invention-being hereinexplained and 'high-graderubbe frict on andskim,'p raethe best mode in which I have contempl e .liically -pure ,Ethe; following: ap lying that principle, as to Injthe of arious, fabric, artl e0 itili'om other invent1ons.- cles, -tires,'gf forg; nsta ,va practically pure My invention relates to, a plastic composi-fgum jprepared-fiof fiome75vto per lfwntpn 1 3 '?id' P (1 v pound of high-grade ;consist- More fabric. by particularly, my invention relates to a coin procmc.

shoes. Said'improved plastic composition is desi ed to furnish a sole and heel stmcmbbefigc'on w 7 high shallbe extremely resilient, duauxiliato I pigment,: and .a. rable and economical. 4 fusinggagent During hthe later. process of 70 My improved composition of subvulcan' 1th fuemgi-fig t leaves the a E. r ;-.th1s. -rubbercontent is and a com osition consisting of longfibered forced into 'theiwfabric, a skim, coat is 8-1). (F high-grade rubber, frfction and spl'ied, ,afterwhic jithd frictionandskim skim, each of these constituents beingused coat practicallylequasthe fabric in weight; 75

This fabric and ion and. qmposioneh-of the other constituents; an alkaline; fion-is'thenzgroundi'up,on'a cracker or rubearth-such as magnesia, or an equivalent," here-washer, consisting 'of one corrugated ;ro1l-, .or, one mi mill magnesia content and't e antimony andg consisting ofjtwosniooth'rolls'rimmng at so sulfure content being substantially equal in different spe'eglsgintoa Thispulp then amount; preferably a second alkaline--earth,=- consistsjiofs'uhstantial T40 to/i=5 per cent.

- such as lime or an equivalent, in a comparedong fibered. per cent. pure tively small' amount. relative to the afore- '35 to 20 per cent. fillen and ,-S meansfthat t is amount;

1 tially equal" in amount and each" suhstan of antimonvcompoun'dsf containing certain a l r tially greater in amount than the-lime andi? proportions oficoloring matter isused when b"erl:-hamounts; of -the rubber and '90 substantially lessin amount than the thercom 1 nesia jor antimony andsulfur lhave aseem substitute n'gredientst". aggregate substantain'ed that thefollowing ecns'tituent'siii japI-fi. tiallyitwenty jjlpflpoundsi In'other words,-

L jug-of equal parts-of long fibered cotton-and 50 -p rtnfzirn'ate ly.the following. proportions "fur a'inthe .pref erred,iRro'1 icrtions outlined above, --n1sh/a veryrsatlsfactory compositioniEight {it will'bozno edit. '45

, at applicant .uses two and 8)-=pounds of coarse rubber,-fpreferahly up-g--l threequarters 1)? I V I nds' golden antinyencoarse Para ;1; three "(3) pounds ma'g-, .mony,u';to(g'ether composition (high-gmidffriction, consist v of allf'the otherfingredients. All of the V sod-contains a certain amount high -gratlerubber, friction and skim, pram 'hd'this'an ount taken into con 2%)jf-nounds 'combined amounts sideration in connection with the '(OlllPOSl- 'tially less in amount t-haii either the alkaline tlon desired. and the proportion of free v earth or the antimony and sulfur content. sulfur used. As the amount of sulfur pres- 7 cut in the antimony is'mcreased, the per hon, comprising substantially equal parts of cent; of free sulfur is decreased. Also, of coarse nubber and a. composition consisting course, the amount of sulfur derived from of long fibered cotton and high-grade rubthe antimony nnght be increased by mber, friction and sk m; an alkaline earth in creasing the amountof antimony compound amount substantially less than either the containing the-same proportion of sulfur, in rubber or the rubber and cotton content; a

which case also tlie amount, of free sulfur compound of antimony and sulfur containwould be correspondingly reduced. Fun ing a minor proportion of sulfur-ran oxid I thermore, antimony is furnished in differof one of the true metals in amount substanent colors, so that two and one-quarter (2 tiail v. less than the alkaline earth content; pounds of golden antimony and threeand sulfur, the antimony and sulfur comquarters. (g) pound of crimson antimony pound and the frec sulfur being in combined might 'be used instead of substantiallyl amount. somewhat less than onefhalfilie three? (3) pounds of golden" antimony. T rubber or therubbeinandfcotton content.

In this event, the composition produced 3. A new and improved plastic composiwould be the same except that the coloring tion, comprising substantially equal parts of eflfects'would be very different. coarse. rubber and a compositionconsisting The preferredcom-position contains both I of long fibercd cotton and high-grade rubheels and soles, then cured or-Vulcanized uneach substantially less in amount than either:

ounds steam pressure for a the alkaline earthor the combined antimony- V the alkaline earths: magnesia and lime. However, I a very satisfactory composition amount substantiallydess than'" cither the can be obtained by leaving out the entir'ely. compounds of antimony of. 'dilterent colors Into the pulp or mass prepared -as-above, in combined Sam'onnt substantially equal to the other ingredients are mixed and the the :ilkaline earth" content and containing a batch isthen formed into sheets of the deminor proportion of'those ingredientsavhiclt sired proportionsJ From these sheets are are other than antimony; an oxid of one stamped outthe heel and sole parts o f the of the true metals. and afvulcanizing condesired shapes. -These parts are. molded into stituent in substantially equal amounts and i I avish undred andtwenty 2 compounds. w 4. A newand improvediplastic composi- -.to be understood that the above tinny comprising substantially-equal' parts j mentioned ingredients represent merely one. f nip-river course P -5 bbe d a formula of my newv and improved composijti onsi ti of l n afibered otto tion and that, \vltlnn the limits abovemend high-grade. rubber, friction and skim;

tioned, different constituents and-different m si i amount substantiallyone-sixth i proportions mightbe used without depart the rubber andfcntt n ontents; a compound ing from'the spirit of my invention. of'antim'ony and sulfur substantially equal The fibole described mposition with the i tothe magnesia eontentand'containing subl f t nts-and proportions thereof ofthe stantially 20 per cent. sulfur: lime in amount properties and ratios mentioned produces ub t ti llyone-sixth ofth magnesia conheels and soles which are leathcr-likein their tent; zinc oxid and sulfur insubsta ti lly v toughness amlxhn-ability, render an unusuq l amounts and each subst-antialIy equal I 1. -gA-ne\ v -an d improved plastic eomposi- V g p y -tion, comprising substantially equal parts of tions: Eight (8-) pouritlsj-j-up-rirbr coarse fected by successivewetting and drying, are very economical.

her, frictiona-nd skim analkaline earth in' lime rubber or the, rubber andcotton content;

ally satisfactory CUSlliOnflCtlOl'l, are unaf 1, one-third offth'e magmesiaqr the-antian mony and sulfurizontcn YVhat Iclaim is: y

in approximately= tliei following proper u-coarse' rubber and a composition consisting. 'Pa-ri't; rubber; th1-ee (3 )"-pounds magnesia;

;.o.t-long-fibered cotton and-high-grade rub-- nine 9) pounds of a composition consisting ber. 1friction and skim; an alkaline earth inof long 'filieredrotton and high grade rub-r amount substantially less than either the beta-friction and .skimj; two and three f"f'compo1md of ';co1npo und of; antimony and sulfur in antimony. and sulfur containing su'bs'tan-L amount substantially equal to the alkaline tiallytiventyi'per cent.f(20%) of the'latter;

rubber or the rubberamd cotton content; jquarters (2%.)[1'1ountlsy one (ll pound ofzin oxidgpan'd, one (1) portion of sulfur; an oxid ofoneo'f the true ound of sulfur. p i V 1 metals and a rulcanizmg constituent in sub- 6. A new and improved plastic compose stantially equal amounts and each substan- 'tionpc omprising the following constituents 5. A new and improved plastic compositi on,- comprising .the :"following {constituents in approximately the following in'opop tions: eight (8) pounds up-river ooarse Par rubber; three (3) pounds magnesia;

nine (9) pounds of a. composition consisting of substantially equal parts of longfibered cottonnnd high-grade rubber, friction and skim; two and three quarters (2%) pounds of a compound of antimony'fand sulfur con- (1) pound of sulfur.

Sql gned by me, this 30 day'of August, 91

BELA W. ROTE. 

